THREATPORT/VULNERABILITY/CVE-2026-22252
CRITICAL SEVERITY

CVE-2026-22252

Librechat vulnerability

CVSS
9.1
EPSS
3.7%
EPSS pct
89th
Exploited
No known
LibreChat is a ChatGPT clone with additional features. Prior to v0.8.2-rc2, LibreChat's MCP stdio transport accepts arbitrary commands without validation, allowing any authenticated user to execute shell commands as root inside the container through a single API request. This vulnerability is fixed in v0.8.2-rc2.
Affected vendor
Librechat
Affected product
Librechat
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Weakness type (CWE)
Published
2026-01-12

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring high privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 3.7% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 89% of all scored CVEs.

Check your external exposure to CVE-2026-22252

  • Confirm whether Librechat Librechat is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2026-22252.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2026-22252

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2026-22252 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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